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Improved preparation technology of powder metallurgy auxiliary material

A technology of auxiliary materials and preparation processes, applied in the direction of improving process efficiency, can solve the problems of not meeting actual production requirements, complicated preparation steps, and high production costs, and achieve the effects of strict coordination, simple processing steps, and low production costs.

Inactive Publication Date: 2018-05-25
宜兴市乐华冶金辅助材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing preparation process of metallurgical auxiliary materials generally has problems such as cumbersome preparation steps, low processing efficiency and high production cost, which do not meet the actual production requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A kind of preparation technology of improved powder metallurgy auxiliary material of the present invention, it comprises the following steps,

[0014] (1) Mix refining slag, iron powder, limestone and vermiculite powder according to the ratio of 10:5:3.1:0.3;

[0015] (2) Send the above mixture into a vacuum furnace for melting and sintering, first heat it to 1400°C within 38 minutes, keep it warm for 20 minutes, then cool it down to 750°C within 12 minutes, and finally heat it up to 2000°C within 40 minutes, keep it warm Cool at room temperature after 10 minutes;

[0016] (3) Import the above-mentioned sintered materials into the screening machine for screening and classification;

[0017] (4) Put the above-mentioned sorted screening material into the corresponding plastic machine for plastic processing;

[0018] (5) Finished product packaging.

Embodiment 2

[0020] A kind of preparation technology of improved powder metallurgy auxiliary material of the present invention, it comprises the following steps,

[0021] (1) Mix refining slag, iron powder, limestone and vermiculite powder according to the ratio of 10:5.5:3.8:0.4;

[0022] (2) Send the above mixture into a vacuum furnace for melting and sintering, first heat it to 1500°C within 46 minutes, keep it warm for 20 minutes, then cool it down to 850°C within 17 minutes, and finally heat it up to 2000°C within 44 minutes, keep it warm Cool at room temperature after 10 minutes;

[0023] (3) Import the above-mentioned sintered materials into the screening machine for screening and classification;

[0024] (4) Put the above-mentioned sorted screening material into the corresponding plastic machine for plastic processing;

[0025] (5) Finished product packaging.

[0026] The processing steps of the present invention are simple, each step is closely matched, the processing efficienc...

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PUM

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Abstract

The invention relates to an improved preparation technology of a powder metallurgy auxiliary material. The improved preparation technology comprises raw material mixing, melting and sintering, screening and sorting, shape-correction treatment and finished product packaging. According to the improved preparation technology, the machining steps are rigorous, and the machining efficiency is high.

Description

technical field [0001] The invention relates to a preparation process of an auxiliary material, in particular to a preparation process of a metallurgical auxiliary material. Background technique [0002] The existing preparation process of metallurgical auxiliary materials generally has problems such as cumbersome preparation steps, low processing efficiency and high production cost, which do not meet the actual production requirements. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to overcome the deficiencies in the prior art and provide an improved powder metallurgy auxiliary material preparation process with rigorous processing steps and high processing efficiency. [0004] Technical solution: In order to solve the above technical problems, an improved powder metallurgy auxiliary material preparation process according to the present invention comprises the following steps, [0005] (1) Mix refining slag, iron powder, limes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C7/076
CPCC21C7/076Y02P10/20
Inventor 田伟
Owner 宜兴市乐华冶金辅助材料有限公司
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